The fight card for the WEC's debut in Columbus, OH is filling up fast as the promotion announced the addition of a lightweight bout pitting Danny Castillo against Anthony Pettis in a preliminary fight on the show.

The promotion made the announcement about the fight on Monday evening.

Castillo currently holds a 3-2 record in the WEC with wins over notable fighters such as Ricardo Lamas and Rafael Dias. His losses come by way of two of the top fighters in the WEC's lightweight division in Donald Cerrone and Shane Roller.